After reading "The Hound" by H.P. Lovecraft it seems like this is the pendant which The Hound was obsessed with, plus Vicar Amelia is similar to the one Lovecraft wrote about. The only difference I can find is that the amulet is green jade and the amulet in BB is just gold. Can anyone confirm that this was intended or is it just wishful thinking?

I forgot where I initially found this door ( I think it's somewhere in hte area of the Oedons Cathedral ) but someone asks for a password in order to let the player into Byrgenwerth. I'm under the assumption that this is needed. Please confirm if you know.